IS-86 Colorado Mineral and Energy Industry Activities 2022-2023 IS-86 Colorado Mineral and Energy Industry Activities 2022-2023
IS-85 Colorado Mineral and Energy Industry Activities 2021-2022 IS-85 Colorado Mineral and Energy Industry Activities 2021-2022
IS-84 Colorado Mineral and Energy Industry Activities 2020-2021 IS-84 Colorado Mineral and Energy Industry Activities 2020-2021
ON-007-09 Reconnaissance Map of Sand ON-007-09M Reconnaissance Map of Sand, Gravel, and Quarry Aggregate Resources, Elbert County, Colorado (Map) – v20220223
ON-007-09 Reconnaissance Map of Sand ON-007-09D Reconnaissance Map of Sand, Gravel, and Quarry Aggregate Resources, Elbert County, Colorado (Data) – v20220223
IS-83 Colorado Mineral and Energy Industry Activities 2019-2020 IS-83 Colorado Mineral and Energy Industry Activities 2019-2020
ON-007-03 Mineral Resource Potential Derivative Map (detail) ON-007-03M Mineral Resource Potential Derivative (Map)
OF-20-03 Geologic Map of the Bracewell Quadrangle OF-20-03 Geologic Map of the Bracewell Quadrangle, Weld County, Colorado
IS-82 Colorado Mineral and Energy Industry Activities 2018-2019 IS-82 Colorado Mineral and Energy Industry Activities 2018-2019
OF-19-03 Geologic Map of the La Salle Quadrangle OF-19-03 Geologic Map of the La Salle Quadrangle, Weld County, Colorado
IS-81 Colorado Mineral and Energy Industry Activities 2017-2018 IS-81 Colorado Mineral and Energy Industry Activities 2017-2018